Reading a string from MIT app textbox to arduino for SIM800L

[Juan_Antonio]

Check the baud rate your HC-05 works at.

HC-05 Bluetooth. Arduino. Change baud rate 38400. Send random to app

Hello friends, To carry out applications with Bluetooth between Arduino and App Inventor, the HC-06 module is usually used. This module can only work as a client, enough for most of the projects that you will see in the tutorials, it is the most used and recommended. Default 9600. [bluetooth1] Another similar module is the HC-05, this can function as a server or a client. You may have to set the speed using AT commands to adapt it to App Inventor. It comes with 38400 baud and you will have t…

Create a simple application to send data from the app to the HC-05, check the data end of the message.

Bluetooth HC-06. Arduino. Send. Receive. Send text file. Multitouch. Image

26.- App sends text. readStringUntil. readString. p9A1_bluetooth_textoi.aia (2.2 KB) [bluetooth_enviartexto1] 1.- readStringUntil char end_char = '\n'; String texto; void setup() { Serial.begin(9600); } void loop() { if(Serial.available()) { texto = Serial.readStringUntil(end_char); Serial.println(texto); } } ooooooooooooooOOOOOoooooooooooooo 2.- readString String texto; void setup() { Serial.begin(9600); Serial.setTimeout(100); } void loop() { if(Serial.available())…